Underwater Love, Shinji Imaoka's deliriously loopy creation, is a self-described ' pink musical,' but it soon becomes clear that even that. The only reason Imaoka Shinji's latest pinku film, UNDERWATER LOVE: A PINK MUSICAL, is on the radars of international filmgoers at all is. Underwater Love: A Pink Musical (Onna no kappa). Feature Film | JAP, DE | 87' | Subtitled. Fish factory worker Asuka is planning her wedding with her.